Comparison of heart rate recovery between normotensive young adults with and without a parental history of hypertension

Authors

  • Satyajit Bagudai College of Medical Sciences & Teaching Hospital, Bharatpur, Chitwan, Nepal
  • Hari Prasad Upadhyay College of Medical Sciences & Teaching Hospital, Bharatpur, Chitwan, Nepal

DOI:

https://doi.org/10.3126/ajms.v11i3.27569

Keywords:

Autonomic dysfunction, Exercise, Non hypertensive young adults, 3-minute step test, Heart rate recovery index (HRRI)

Abstract

Introduction: Studies have reported that off springs of hypertensive parents are more likely to develop hypertension. Affection of target organ starts even before the diagnosis of hypertension. Autonomic dysfunction may be the initial cardiac effects in the pathogenesis of hypertension. Till now very few studies have been done to find the early outcomes in the cardiac autonomic functions in the normotensive siblings of hypertensive patients. Heart rate recovery after exercise is a useful marker for cardiac autonomic function. Since the etio-pathogenesis of hypertension is expected to affect the autonomic cardiovascular parameters even before the prehypertensive stage, the following study was carried out to analyze the heart rate recovery, in the descendent non- hypertensive young adults with and without parental history of hypertension.

Aim and objective: This research study was aimed to study the quantify and compare the difference (if any) of heart rate recovery in response to 3minute step test between non hypertensive children of non- hypertensive and hypertensive parents within an age group of 18-22 years.

Material &Methods: A total of 63 normotensive students were divided into one hypertensive parents(HP) group containing students with parental history of hypertension) and one non hypertensive parents group (NHP) having students without parental history of hypertension). Each student was subjected to 3 minute Master step test. Recordings of heart rate were made before and after exercise. Heart rate recovery index (HRRI) of 1minute (HRRI1), as well as in 2, 3 and 4 minute (HRRI2, HRRI3, HRRI4) were calculated and analyzed.

Results: The resting (basal) heart rate as well as 1st minute heart rate recovery index (HRRI1) was not significantly different in the two groups. Likewise, the 2nd minute (HRRI2), 3rd minute (HRRI3), and 4th minute HRRI (HRR4) respectively were also not significantly different between the two groups.

Conclusion: This study concluded that there is no significant difference in heart rate recovery among non-hypertensive young adults, with and without parental history of hypertension.

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Author Biographies

Satyajit Bagudai, College of Medical Sciences & Teaching Hospital, Bharatpur, Chitwan, Nepal

Assistant Professor, Department of Physiology

Hari Prasad Upadhyay, College of Medical Sciences & Teaching Hospital, Bharatpur, Chitwan, Nepal

Lecturer, Department of Community Medicine

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Published

2020-05-01

How to Cite

Bagudai, S., & Upadhyay, H. P. (2020). Comparison of heart rate recovery between normotensive young adults with and without a parental history of hypertension. Asian Journal of Medical Sciences, 11(3), 31–36. https://doi.org/10.3126/ajms.v11i3.27569

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Section

Original Articles